/* Shared design tokens for Aleph Apps auth screens. */
/* Apple / macOS system UI house style (Big Sur / Sonoma system gray family). */
:root{
  /* Core surfaces */
  --bg:#ececee;                  /* window bg - warm neutral gray */
  --bg-tint:#e6e6ea;             /* toolbar / grouped section bg (flat, no gradients) */
  --surface:#ffffff;             /* elevated panels / cards */
  --surface-soft:#f5f5f7;        /* Apple.com off-white for secondary panels */
  --surface-hover:#f0f0f2;
  --surface-sunk:#eaeaee;        /* insets / grouped rows */
  /* Legacy alias */
  --surface-2:var(--surface-soft);

  /* Borders / separators */
  --border:#d5d5d9;
  --border-soft:#e3e3e6;
  --border-strong:#b4b4ba;
  --separator:rgba(60, 60, 67, 0.12);

  /* Shadows */
  --shadow-sm:0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-card:0 1px 2px rgba(0, 0, 0, 0.04), 0 4px 12px rgba(0, 0, 0, 0.05);
  --shadow-lift:0 6px 20px rgba(0, 122, 255, 0.14), 0 2px 6px rgba(0, 0, 0, 0.06);
  /* Legacy aliases */
  --shadow-md:var(--shadow-card);
  --shadow-lg:0 12px 32px rgba(0, 0, 0, 0.10);

  /* Text */
  --text:#1d1d1f;                /* Apple content black */
  --text-mute:#6e6e73;           /* Apple secondary */
  --text-soft:#86868b;           /* Apple tertiary */
  /* Legacy aliases */
  --text-muted:var(--text-mute);
  --text-subtle:var(--text-soft);

  /* Apple system blue accent */
  --accent:#007aff;
  --accent-hover:#0060df;
  --accent-soft:#e8f2ff;
  --accent-border:#b3d4ff;
  --accent-strong:#0050b7;
  --accent-fg:#ffffff;

  /* Status colors */
  --good:#248a3d;   --good-soft:#e6f4ea;   --good-border:#b7dcc0;
  --warn:#b25000;   --warn-soft:#fff4e5;   --warn-border:#ffd9a8;
  --danger:#d70015; --danger-soft:#fdeaec; --danger-border:#f5c2c7;
  /* Legacy aliases for auth screens */
  --green:var(--good);
  --blue:var(--accent);
  --red:var(--danger);
  --red-bg:var(--danger-soft);

  /* Radii */
  --radius:7px;
  --radius-lg:12px;
  --radius-xl:14px;

  /* Fonts */
  --font-sans:-apple-system,BlinkMacSystemFont,"SF Pro Text","SF Pro Display","Inter","Segoe UI",Helvetica,Arial,sans-serif;
  --font-mono:ui-monospace,"SF Mono","JetBrains Mono",Menlo,Consolas,monospace;
  --font-serif:"SF Pro Display",-apple-system,BlinkMacSystemFont,"Inter","Iowan Old Style",Georgia,serif;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;height:100%}
body{
  font-family:var(--font-sans);
  background:var(--bg);
  color:var(--text);
  font-size:13.5px;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  min-height:100vh;
}

/* Auth-form centered card layout */
.auth-shell{
  min-height:100vh;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:32px 20px;
}
.auth-card{
  width:100%;max-width:400px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:32px 30px 28px;
  box-shadow:var(--shadow-card);
}
.auth-brand{
  display:flex;align-items:center;gap:12px;margin-bottom:22px;
}
.auth-brand-icon{
  width:34px;height:34px;
  background:linear-gradient(135deg, #007aff 0%, #5ac8fa 100%);
  color:#ffffff;
  border-radius:8px;
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
  box-shadow:0 2px 6px rgba(0, 122, 255, 0.28), inset 0 1px 0 rgba(255,255,255,0.4);
}
.auth-brand-icon svg{width:16px;height:16px;display:block}
.auth-brand-title{
  font-family:var(--font-sans);
  font-size:20px;font-weight:600;letter-spacing:-0.022em;line-height:1.15;
  color:var(--text);
}
.auth-brand-title em{font-style:normal;color:var(--text-mute);font-weight:500}
.auth-brand-sub{
  font-family:var(--font-sans);
  font-size:11px;font-weight:500;letter-spacing:.02em;
  color:var(--text-soft);margin-top:2px;
}

.auth-title{
  font-family:var(--font-sans);
  font-size:22px;font-weight:600;letter-spacing:-0.022em;line-height:1.2;
  margin:6px 0 4px;
  color:var(--text);
}
.auth-subtitle{
  color:var(--text-mute);font-size:13px;margin:0 0 22px;line-height:1.5;
}

.field{margin-bottom:14px;display:flex;flex-direction:column;gap:6px}
.field label{
  font-family:var(--font-sans);
  font-size:12px;font-weight:500;letter-spacing:0;text-transform:none;
  color:var(--text-mute);
}
.field input{
  appearance:none;
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:8px 11px;font-size:13.5px;
  background:var(--surface);
  color:var(--text);font-family:inherit;outline:none;
  transition:border-color .12s ease, box-shadow .12s ease;
}
.field input:focus{
  border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(0, 122, 255, 0.18);
}

.btn{
  appearance:none;border:1px solid transparent;cursor:pointer;
  font-family:inherit;font-weight:500;
  padding:0 14px;height:30px;
  border-radius:var(--radius);
  transition:background .12s ease, transform .08s ease, box-shadow .14s ease, filter .12s ease;
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  text-decoration:none;font-size:13px;
  box-shadow:0 0.5px 1px rgba(0,0,0,0.08), inset 0 0.5px 0 rgba(255,255,255,0.15);
}
.btn:active{transform:scale(0.98)}
.btn.primary{
  background:var(--accent);color:#ffffff;width:100%;
  height:34px;
  margin-top:6px;
}
.btn.primary:hover{background:var(--accent-hover)}
.btn.primary:disabled{opacity:.55;cursor:progress}
.btn.ghost{
  background:var(--surface);color:var(--text);
  border:1px solid var(--border);
  box-shadow:0 0.5px 1px rgba(0,0,0,0.04);
}
.btn.ghost:hover{color:var(--text);border-color:var(--border-strong);background:var(--surface-hover)}
.btn.danger{
  background:var(--surface);color:var(--danger);
  border:1px solid var(--danger-border);
  box-shadow:none;
}
.btn.danger:hover{background:var(--danger-soft)}

.err{
  color:var(--danger);background:var(--danger-soft);
  border:1px solid var(--danger-border);
  border-radius:var(--radius);
  padding:9px 12px;font-size:13px;
  margin-bottom:14px;
  display:none;
}
.err.visible{display:block}

.foot-note{
  margin-top:20px;padding-top:16px;
  border-top:1px solid var(--separator);
  font-size:12.5px;color:var(--text-mute);text-align:center;
}
.foot-note a{color:var(--accent);text-decoration:none;font-weight:500}
.foot-note a:hover{text-decoration:underline}